kernel/2.6.29.6-aldebaran-rt/arch/arm/mach-ep93xx/include/mach/system.h

   1 /*
   2  * arch/arm/mach-ep93xx/include/mach/system.h
   3  */
   4
   5 #include <mach/hardware.h>
   6
   7 static inline void arch_idle(void)
   8 {
   9         cpu_do_idle();
  10 }
  11
  12 static inline void arch_reset(char mode)
  13 {
  14         u32 devicecfg;
  15
  16         local_irq_disable();
  17
  18         devicecfg = __raw_readl(EP93XX_SYSCON_DEVICE_CONFIG);
  19         __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
  20         __raw_writel(devicecfg | 0x80000000, EP93XX_SYSCON_DEVICE_CONFIG);
  21         __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
  22         __raw_writel(devicecfg & ~0x80000000, EP93XX_SYSCON_DEVICE_CONFIG);
  23
  24         while (1)
  25                 ;
  26 }